1) Application Programmer wanting to design application on a fixed computer
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essential to minimize effort to generate PSL from conventional (changing) code
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2) Hardware designer wanting to develop a new machine that performs well against a fixed application set
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essential to make it easy to change hardware9systems software) specification
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May need to change implicit data movements/parallelism in application set
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3) Systems Integrator (such as MSTAR team) wishing to explore changes in both application and hardware
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hardware in MSTAR case is heterogeneous cluster (computational grid)
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PetaSIM had 2) in mind when designed but use with application emulators is nearer 3)
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